What are the two notes in jaws on cello?

In the iconic "Jaws" theme by John Williams, the two notes played on the cello are typically a sustained low "E" and a rising "F." This simple yet effective motif creates a sense of tension and foreboding, perfectly capturing the essence of the film's suspenseful atmosphere. The interval between these notes is what contributes to the ominous feeling that has become synonymous with the movie.